3Racing 3RAC-MHS5/BL/V2 Racing 540 Motor Fan Heat Sink  [3RAC-MHS5/BL/V2]

3RACING Engine Heat Sink Motor Heat Sink W/ Fan Ver.2 For 540 Motor (Fan-Shaped) - Black - 3RAC-MHS5/BL/V2
Price:
USD$5.70
Brand:
3Racing
Model:
3RAC-MHS5/BL/V2
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Optimised Cooling for Competitive 540 Builds

This 3Racing 540 Motor Cooling Heat Sink with Fan targets thermal stability for track use. The combination of fin geometry and forced-air cooling reduces case temperature rise, helping sustain consistent motor output during repeated laps.

Technical Advantages for Tuning

For racers tuning setups, predictable motor temperature is critical. The 3Racing unit enhances airflow across the motor can to improve heat transfer and reduce thermal throttling. It is a practical, cost effective tuning part for drivers seeking reliable cooling without heavy modification.

Installation Considerations for Setups

The heat sink is straightforward to install and integrates with common 540 motor mounts. When fitting, confirm shaft clearance and the fan feed routing to ensure clean installation and reliable operation in a race environment.

How does this unit affect motor thermal consistency?

By improving convective airflow across the can, the heat sink lowers peak temperatures and reduces variance between runs, which aids setup repeatability and lap time consistency.

Any advice on wiring the fan for racing rigs?

Use a stable auxiliary supply or receiver channel compatible with the fan voltage to avoid drawing from sensitive ESC circuits; secure cabling to prevent disconnects during hard use.

Is this a value upgrade for track performance?

Yes, it is an affordable, practical upgrade for racers who want better thermal control without major motor changes, making it a useful addition to a tuning parts kit.